Synology DiskStation DS1512+

CPU Frequency : Dual Core 2.13GHz
Floating Point
Memory : DDR3 1 GB (Expandable, up to 3GB)
Internal HDD/SSD : 3.5" or 2.5" SATA(II) X5 (Hard drive not included)
Max Internal Capacity : 20TB (5X 4TB HDD) (Capacity may vary by RAID types) (See All Supported HDD)
Hot Swappable HDD
External HDD Interface : USB 3.0 Port X 2, USB 2.0 Port X 4, eSATA Port X 2
LAN : Gigabit X 2
Link Aggregation
Wake on LAN/WAN
Size (HxWxD) : 157 X 248 X 233 mm
Weight : 4.25Kg
Warranty : 3 Years